On 7/25/05 3:13 PM, "Geoffrey S. Mendelson" <gsm@mendelson.com> wrote:
> ...
> AFIK Ten-Tec is the only major company that uses RS-232 ports on their HF
> radios. ICOM, Kenwood and Yaseu never did, their serial ports are TTL.
> They and aftermarket companies sell RS-232 to TTL converters.
The FT-1000mp has a built in RS-232 interface. The level converter is
internal, so there is no need for the external IF-232 box. I believe this
fact holds for the rest of the "mp"-series rigs.
> ICOM uses a TTL bus arrangment that supports up to four radios.
True, and they are very fond of their CT-17 CI-V converter if price is an
indicator.
The Elecraft K2 equipped with the optional internal KIO2 is also an RS-232
type interface except that the plug wiring is non-standard.
I'm fortunate that my WinBook Z1 laptop computer has a serial port. That's
something to be said in favor of "vintage" hardware.
Gus Hansen / KB0YH
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